TY  - JOUR
AU  - Yu. D. Pletner
TI  - On partial differential equations that reduce to new classes of
JO  - Doklady Akademii Nauk
PY  - 1994
SP  - 17
EP  - 19
VL  - 337
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1994_337_1_a3/
LA  - ru
ID  - DAN_1994_337_1_a3
ER  -